Customer Support
At St. Louis Merchant Services, support isn’t an afterthought — it’s part of the relationship.
Whether you need assistance with equipment, transactions, deposits, reporting, PCI compliance, or account updates, our team is here to make sure your payment systems continue running smoothly.
Merchant Account Login
What St. Louis Businesses Are Saying
Hear directly from local business owners across the greater St. Louis area who trust St. Louis Merchant Services for reliable technology, transparent pricing, and responsive local support.
How We Keep Your Business Secure
Our technology and processing platforms are designed to meet and exceed PCI DSS requirements, keeping your transactions protected at every stage.
PCI-Compliant Processing
All transactions are encrypted, tokenized, and processed through secure, PCI-compliant gateways to safeguard sensitive cardholder data.
Point-to-Point Encryption (P2PE)
Card data is encrypted immediately when a card is tapped, dipped, or swiped — protecting information before it even enters your system.
Payment Tokenization
Sensitive card numbers are replaced with unique tokens, making stored payment data useless to hackers. This is essential for recurring billing and cards-on-file.
EMV Chip Technology
EMV-enabled terminals reduce counterfeit fraud and help minimize chargeback risk through secure authentication at the point of sale.
Fraud Prevention Tools
Real-time monitoring, Address Verification (AVS), and CVV authentication work together to prevent unauthorized transactions before they occur.
Online Payment Security
Hosted checkout pages, payment links, virtual terminals, and mobile solutions are SSL-secured and encrypted to protect remote transactions.
Payment Insights & Resources
Stay informed with articles covering payment trends, cost-saving strategies, compliance updates, and technology insights for modern businesses.
Lorem ipsum
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed[…]
Lorem Ipsum
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed[…]
Lorem Ipsum
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed[…]











